refactor: extract helpers from run_self_tests() (#601)

Co-authored-by: Kimi Agent <kimi@timmy.local>
Co-committed-by: Kimi Agent <kimi@timmy.local>

src/timmy/tools_intro/__init__.py

@@ -326,6 +326,46 @@ def get_live_system_status() -> dict[str, Any]:
     return result
 
 
+def _build_pytest_cmd(venv_python: Path, scope: str) -> list[str]:
+    """Build the pytest command list for the given scope."""
+    cmd = [str(venv_python), "-m", "pytest", "-x", "-q", "--tb=short", "--timeout=30"]
+
+    if scope == "fast":
+        cmd.extend(
+            [
+                "--ignore=tests/functional",
+                "--ignore=tests/e2e",
+                "--ignore=tests/integrations",
+                "tests/",
+            ]
+        )
+    elif scope == "full":
+        cmd.append("tests/")
+    else:
+        cmd.append(scope)
+
+    return cmd
+
+
+def _parse_pytest_output(output: str) -> dict[str, int]:
+    """Extract passed/failed/error counts from pytest output."""
+    import re
+
+    passed = failed = errors = 0
+    for line in output.splitlines():
+        if "passed" in line or "failed" in line or "error" in line:
+            nums = re.findall(r"(\d+) (passed|failed|error)", line)
+            for count, kind in nums:
+                if kind == "passed":
+                    passed = int(count)
+                elif kind == "failed":
+                    failed = int(count)
+                elif kind == "error":
+                    errors = int(count)
+
+    return {"passed": passed, "failed": failed, "errors": errors}
+
+
 def run_self_tests(scope: str = "fast", _repo_root: str | None = None) -> dict[str, Any]:
     """Run Timmy's own test suite and report results.
 
@@ -349,49 +389,17 @@ def run_self_tests(scope: str = "fast", _repo_root: str | None = None) -> dict[s
     if not venv_python.exists():
         return {"success": False, "error": f"No venv found at {venv_python}"}
 
-    cmd = [str(venv_python), "-m", "pytest", "-x", "-q", "--tb=short", "--timeout=30"]
-
-    if scope == "fast":
-        # Unit tests only — skip functional/e2e/integration
-        cmd.extend(
-            [
-                "--ignore=tests/functional",
-                "--ignore=tests/e2e",
-                "--ignore=tests/integrations",
-                "tests/",
-            ]
-        )
-    elif scope == "full":
-        cmd.append("tests/")
-    else:
-        # Specific path
-        cmd.append(scope)
+    cmd = _build_pytest_cmd(venv_python, scope)
 
     try:
         result = subprocess.run(cmd, capture_output=True, text=True, timeout=120, cwd=repo)
         output = result.stdout + result.stderr
-
-        # Parse pytest output for counts
-        passed = failed = errors = 0
-        for line in output.splitlines():
-            if "passed" in line or "failed" in line or "error" in line:
-                import re
-
-                nums = re.findall(r"(\d+) (passed|failed|error)", line)
-                for count, kind in nums:
-                    if kind == "passed":
-                        passed = int(count)
-                    elif kind == "failed":
-                        failed = int(count)
-                    elif kind == "error":
-                        errors = int(count)
+        counts = _parse_pytest_output(output)
 
         return {
             "success": result.returncode == 0,
-            "passed": passed,
-            "failed": failed,
-            "errors": errors,
-            "total": passed + failed + errors,
+            **counts,
+            "total": counts["passed"] + counts["failed"] + counts["errors"],
             "return_code": result.returncode,
             "summary": output[-2000:] if len(output) > 2000 else output,
         }